Package org.eclipse.rdf4j.common.io

Class IndentingWriter

java.lang.Object

java.io.Writer

org.eclipse.rdf4j.common.io.IndentingWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

public class IndentingWriter
extends Writer

A writer that adds indentation to written text.

Author:

Arjohn Kampman

Field Summary

Fields

Modifier and Type	Field	Description
protected int	indentationLevel	The current indentation level, i.e.
protected Writer	out	The underlying writer.

Fields inherited from class java.io.Writer

lock

Constructor Summary

Constructors

Constructor	Description
IndentingWriter(Writer out)

Method Summary

Modifier and Type	Method	Description
void	close()
void	decreaseIndentation()	Decrease indentation level by 1.
void	flush()
int	getCharactersSinceEOL()	Get the number of characters read since end-of-line.
int	getIndentationLevel()	Get the indentation level (number of tabs or indentation string).
String	getIndentationString()	Gets the string used for indentation.
void	increaseIndentation()	Increase indentation level by 1.
void	setIndentationLevel(int indentationLevel)	Set indentation level (number of tabs or indentation string).
void	setIndentationString(String indentString)	Sets the string that should be used for indentation.
void	write(char[] cbuf, int off, int len)
void	write(String str, int off, int len)
void	writeEOL()	Writes an end-of-line character sequence and triggers the indentation for the text written on the next line.

Methods inherited from class java.io.Writer

append, append, append, nullWriter, write, write, write

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

out

protected Writer out

The underlying writer.

indentationLevel

protected int indentationLevel

The current indentation level, i.e. the number of tabs to indent a start or end tag.

Constructor Details

IndentingWriter

public IndentingWriter(Writer out)

Method Details

setIndentationString

public void setIndentationString(String indentString)

Sets the string that should be used for indentation. The default indentation string is a tab character.

Parameters:

indentString - The indentation string, e.g. a tab or a number of spaces.

getIndentationString

public String getIndentationString()

Gets the string used for indentation.

Returns:

the indentation string.

getIndentationLevel

public int getIndentationLevel()

Get the indentation level (number of tabs or indentation string).

Returns:

level as an integer

setIndentationLevel

public void setIndentationLevel(int indentationLevel)

Set indentation level (number of tabs or indentation string).

Parameters:

indentationLevel - level as an integer

getCharactersSinceEOL

public int getCharactersSinceEOL()

Get the number of characters read since end-of-line.

Returns:

number of characters

increaseIndentation

public void increaseIndentation()

Increase indentation level by 1.

decreaseIndentation

public void decreaseIndentation()

Decrease indentation level by 1.

writeEOL

public void writeEOL()
              throws IOException

Writes an end-of-line character sequence and triggers the indentation for the text written on the next line.

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Writer

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

Throws:

IOException

write

public void write(String str,
 int off,
 int len)
           throws IOException

Overrides:

write in class Writer

Throws:

IOException

write

public void write(char[] cbuf,
 int off,
 int len)
           throws IOException

Specified by:

write in class Writer

Throws:

IOException